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  5. Diversity in Living Organisms

9th Class Science Diversity in Living Organisms

  • question_answer 46)
      Skeleton is made entirely of cartilage in (a) sharks                            (b) tuna                                (c) rohu                                (d) None of these

    Answer:

      (a) Cartilaginous fishes have endoskeleton made up of cartilage, e.g., Scoliodon (dog fish) shark Torpedo, sting ray etc.


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